As part of the AMC Visionaries series, EP Robert Kirkman (The Walking Dead, Fear the Walking Dead) sat down at TCA to discuss Heroes and Villains–his new six-part one-hour docuseries which will look at the history and inspiration behind iconic comic books. Alongside him was Eli Roth (Hostel), whose own Visionaries series Eli Roth's History of Horror was just announced, while James Cameron joined in via satellite. His docuseries James Cameron'sStory of Science…